what happens to the electric potential energy of the positive charge, after the charge is released from rest in the uniform electric field?

If a system has 46.5 j of heat added to it, and the system does 75.5 j of work on its surroundings. 29 j is the change in the internal energy of the system.

Internal energy refers to the energy that exists within the system. It is represented by the letter "U" in English.

Thermal energy is another name for internal energy. It is the energy of a substance as a result of the kinetic and potential energies connected to the ad hoc motion of all the constituent particles.

Internal energy, which is measured in KJ or Joule, is the energy attributed to the chaotic arrangement or random motion of particles within the system. Using the formula for internal energy, we can calculate the same.

The difference between the heat flow in a system and the work done by or on the system (PV) equals the change in internal energy, and the change in internal energy formula aids in calculating the same.

Energy Equation within the energy of the universe is constant, in accordance with the basic law of thermodynamics.

Additionally, the sum of the work done and the heat transported is equal to the change in a system's internal energy.

Additionally, the sum of the change in the system's internal energy and the work performed by the PV system equals the heat added or flown.

The Change in Internal Energy Formula is:

                    ΔU  =  Q  +  W

Here,

U =  the total change in internal energy within the system

Q =  the heat exchanged between a system and its surroundings (outside the system)

W  =  work done by or on the system

                 =  46.5 - 75.5

                 = 29j

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Answer:

Explanation:

 Investigators  thought this meant that oxygen was eight times more massive than hydrogen. They presumed the  chem-ical form-ula for water to be H-O

Hope this helped!!!  .

Answer:

200

Explanation:

P = M x V

P = 8 x 25

P = 200

Answer:

D.

Explanation:

DId the test

The gravitational force acting on the body of mass 53 Kg on earth will be 530 Newtons.

Weight is the force exerted by earth on a body on the surface of earth. Mathematically -

W = mg

Given is a 53 kg object standing on the surface of the Earth.

The gravitational force acting on the body will be same as it weight and will be directed towards the center of earth. Using the formula for weight -

W = mg = 53 x 10 = 530 N                [taken g = 10 m/s²]

Therefore, the gravitational force acting on the body of mass 53 Kg on earth will be 530 Newtons.

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There is no acceleration in the horizontal direction because the speed in that direction is constant. So it stays at zero.

The process or feature is a carbon dioxide sink in (b). ocean is correct option.

As a result of its interactions with the atmosphere, the ocean stores carbon, so the carbon cycle uses the ocean as a carbon sink. This is how carbon atoms are transported from the Earth to the repeatedly from the Earth to the upper atmosphere. Oceans are one type of carbon sink because they act as a storage space for carbon. due to a variety of biological and physical activities that take place in the region. This is why using the ocean as a carbon sink is the best option.

Carbon is a chemical element with the symbol C and atomic number 6 (from the Latin carbo, meaning "coal"). It has a tetravalent atom, which means that four of its electrons can be used to create covalent chemical bonds. It is nonmetallic.

After hydrogen, helium, and oxygen, carbon is the fourth most prevalent element in the universe by mass and the fifteenth most abundant element in the crust of the Earth.

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Answer:

4.02 × 10⁻⁹  N

Explanation:

Gravitational Force

\(F=\dfrac{G \cdot m_1 \cdot m_2}{r^2}\)

where:

Given values:

Substitute the values into the formula and solve for F:

\(\implies F=\dfrac{(6.7 \times 10^{-11}) \cdot 50 \cdot 120}{10^2}\)

\(\implies F=\dfrac{40200\times 10^{-11}}{100}\)

\(\implies F=402\times 10^{-11}\)

\(\implies F=4.02\times 10^{-9}\;\;\sf N\)

Therefore, the force of gravitation between the two objects is:

Given:

To find:-

Solution:-

As we know that,

F = G m m'/r²

where m and m' are masses and r is the distance between them. on substituting the respective values, we have,

F = 6.67 *10-¹¹ * 50 * 120 / 10² N

F = 402 * 10-¹¹ N

F = 4.02 * 10² * 10-¹¹N

F = 4.02 * 10-⁹ N

and we are done!

The energy stored in the solenoid is 0.0348 J. The energy stored in a solenoid can be calculated using the formula:

U = (1/2) * L * I^2

where U is the energy stored, L is the inductance of the solenoid, and I is the current flowing through it.

The inductance of a solenoid can be calculated using the formula:

L = (μ * n^2 * A * l) / (2 * π)

where μ is the permeability of free space (4π × 10^-7 T·m/A), n is the number of turns per unit length, A is the cross-sectional area of the solenoid, and l is the length of the solenoid.

The number of turns per unit length can be calculated by dividing the total number of turns by the length of the solenoid:

n = N / l

where N is the total number of turns.

The cross-sectional area of the solenoid is given by:

A = π * r^2

where r is the radius of the solenoid.

Substituting the given values, we get:

n = N / l = 1000 / 0.3 = 3333.33 turns/m

A = π * r^2 = π * (0.05 m)^2 = 0.00785 m^2

l = 0.3 m

Substituting these values, we get:

L = (4π × 10^-7 T·m/A * (3333.33 turns/m)^2 * 0.00785 m^2 * 0.3 m) / (2π) = 1.74 mH

Substituting the current value, we get:

U = (1/2) * L * I^2 = (1/2) * 1.74 mH * (0.20 A)^2 = 0.0348 J

Therefore, the energy stored in the solenoid is 0.0348 J.

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Answer:

M1u1+ m2u2= (m1+m2) V by uisng this equation we can find out the velocity. The answer would be 42 ms-1. IS IT CORRECT?

Answer:

Explanation:

Compared to a coastal location of the same elevation and latitude, an inland location is likely to have **cooler summers and warmer winters** . Coastal climates tend to have wetter winters and drier summers, whereas inland climates have more humid summers and drier winters . Coastal climates are typically limited to narrow strips along the edges of continents, whereas inland climates tend to occur over broad swaths of continental interiors .

I hope this helps answer your question!

Answer:

It is a physical change of state

Explanation:

pls crown

The answer on edgenuity2020 is physical

Answer:

radio since they use radio telescopes.

Given:

The gravitational constant, G=6.67259×10⁻¹¹ N·m²/kg⁻²

The mass of the moon, M=7.36×10²² kg

The radius of the orbit of the satellite, R=955.2 km=955.2×10³ m

To find:

1. Satellite's speed.

2. The period of satellite.

3. The acceleration of the satellite.

Explanation:

1.

The gravitational force applied by the moon on the satellite provides the satellite with the centripetal force that is neccessary for the satellite to orbit the moon.

Thus,

Where F_c is the centripetal force, F_g is the gravitational force, and v is the orbital velocity of the satellite.

On substituting the known values,

2.

The orbital period of the satellite in seconds is given by,

Thus the period of the satellite in hours is given by,

On substituting the known values,

3.

The acceleration of the satellite is given by,

On substituting the known values,

Final answer:

1. The orbital velocity of the satellite is 23267.46 m/s

2. The period of the satellite is 0.74 hr

3. The acceleration of the satellite is 5.38 m/s²

Answer:

Voltage V = 117.65 volts

the voltage across the light bulb's filament is 117.65 V

Explanation:

The power of a light bulb can be expressed with respect to voltage and current flow.

Power = voltage × current

P = VI

Making Voltage V the subject of formula;

V = P/I

Given;

Power P = 4.0W

Current I = 0.034A

Substituting the given values;

V = 4/0.034

V = 117.65 volts

The electric flux is changed only if we change the charge.

Thus, we can conclude that the electric flux is changed only if we change the charge.

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Answer:

101.32 rounded to 1 significant figure is 100. 20.1234 rounded to one significant figure is 20, and 212.1 rounded to one significant figure is 200.

100 + 20 is 120, and 120 - 200 is -80.

Explanation:

Answer:

10.61 m/s

Explanation:

To find the final speed, we will use the conservation of momentum in each direction, so we can write the following equations:

Where m1 and m2 are the mass of the vehicles, v1 and v2 are their respective velocities in each direction, and Vfx and Vfy are the final velocities in each direction.

If one of the vehicles is headed north, its horizontal velocity Vx = 0 m/s. In the same way if the other is headed east, its vertical velocity Vy = 0m/s

Therefore, we can replace the values and solve the first equation as:

In the same way, we can solve the second equation as:

Now, we know that the vertical and horizontal speed was 7.5 m/s. So, we can calculate the final speed using the Pythagorean theorem as:

So, the speed after the collision was 10.61 m/s

Answer:

Physics is the natural science that studies matter, its motion and behavior through space and time, and the related entities of energy and force.

Ancient history. Elements of what became physics were drawn primarily from the fields of astronomy, optics, and mechanics, which were methodologically united through the study of geometry. These mathematical disciplines began in antiquity with the Babylonians and with  writers such as Archimedes and Ptolemy.

Answer:

I don't know but It should exist or else reality would not exist

Explanation:

The inductance of the solenoid with 500 turns, a length of 25.0 cm, and a cross-sectional area of 6.0 cm² is approximately 1.25664 mh.

The inductance of a solenoid can be calculated using the formula L = (μ₀N²A) / l, where L is the inductance, μ₀ is the permeability of free space (4π x 10^-7 T·m/A), N is the number of turns, A is the cross-sectional area, and l is the length of the solenoid.

In this case, the solenoid has 500 turns, a length of 25.0 cm (0.25 m), and a cross-sectional area of 6.0 cm² (0.0006 m²). We can substitute these values into the formula to find the inductance:

L = (μ₀N²A) / l
 = (4π x 10^-7 T·m/A) * (500² turns²) * (0.0006 m²) / 0.25 m

Simplifying the calculation:
L = (4π x 10^-7 T·m/A) * (250000 turns²) * (0.0006 m²) / 0.25 m
 = 1.25664 x 10^-3 T·m²/A

Converting to millihenries (mh):
L = 1.25664 x 10^-3 T·m²/A * 1000 mh/T·m²
 = 1.25664 mh
Therefore, the inductance of the solenoid is approximately 1.25664 mh.

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Answer:

The answer is

Explanation:

The velocity or speed of an object can be found by using the formula

\(velocity \: = \frac{distance}{time} \)

From the question

time taken to travel = 10 hours

distance covered = 550 miles

Substitute the values into the above formula and solve for the velocity

That's

\(velocity = \frac{550}{10} \)

We have the final answer as

Hope this helps you

GPE change:

\(\tt =24\times 9.8(2-1)=235.2~J\)

Answer:

410 nanometers

Violet light is electromagnetic radiation with wavelengths of 410 nanometers and red light has a wavelength of 680 nanometers. The nanometer is a unit of distance in the metric scale and is abbreviated as nm. One nanometer (nm) equals one thousand millionths of a meter (m) or 1 nm = 10-9 m.

Explanation:

Hope it helps! Correct me if I am wrong :>

Answer:

Using my searching skills, I have came to the conclusion that the most energetic violet light wavelength is 380nm.

(a)

- The coefficient of log(income) (0.88) suggests that a 1% increase in income is associated with a 0.88% increase in cigarette consumption, holding other variables constant.

- The coefficient of log(price) (-0.75) indicates that a 1% increase in cigarette prices is associated with a 0.75% decrease in cigarette consumption, holding other variables constant.

- The coefficient of educ (-0.50) implies that a one-year increase in education is associated with a 0.50 unit decrease in cigarette consumption, holding other variables constant.

- The coefficient of age (0.77) suggests that a one-year increase in age is associated with a 0.77 unit increase in cigarette consumption, holding other variables constant.

- The coefficient of age squared (-0.008) indicates that the relationship between age and cigarette consumption is not linear, and as age increases further, the rate of increase in cigarette consumption slows down.

- The coefficient of restaurant (2.83) implies that individuals who have access to smoking in restaurants smoke, on average, 2.83 more cigarettes per week compared to those who do not have access.

(b) The R-squared measures the proportion of the total variation in cigarette consumption that is explained by the independent variables. In this case, the R-squared is not provided, so it cannot be calculated or commented upon.

The Adjusted R-squared takes into account the number of variables and the sample size, providing a more reliable measure of model fit. Unfortunately, the Adjusted R-squared is also not provided, so it cannot be calculated or commented upon.

The difference between R-squared and Adjusted R-squared lies in the penalization of the latter for including additional variables that may not significantly contribute to the model.

(c) To perform a 1% individual significance test for each slope coefficient, we need the t-statistics and the corresponding p-values for each coefficient. These values are not provided, so we cannot perform the significance tests or comment on the results.

The null hypothesis (H0) for each significance test would be that the corresponding slope coefficient is equal to zero. The alternative hypothesis (Ha) would be that the slope coefficient is not equal to zero.

(d) The confidence interval for each slope coefficient can be calculated using the provided standard errors and assuming a t-distribution. However, the standard errors are not provided in the given format, so we cannot calculate the confidence intervals.

(e) To perform a 5% test of the overall significance of the regression model, we need the F-statistic and its corresponding p-value. Unfortunately, these values are not provided, so we cannot perform the test or comment on the results.

The null hypothesis (H0) for the overall significance test would be that all slope coefficients are equal to zero, indicating that none of the independent variables have a significant effect on cigarette consumption. The alternative hypothesis (Ha) would be that at least one of the slope coefficients is not equal to zero, indicating that at least one independent variable has a significant effect on cigarette consumption.

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Answer:

The length of the incline is 3.504 meters.

Explanation:

Let suppose that Julietta's ball decelerates uniformly, then we determine the length of the incline is determined by the following equation of motion:

\(\Delta s = v_{o}\cdot t +\frac{1}{2}\cdot a \cdot t^{2}\) (Eq. 1)

Where:

\(\Delta s\) - Length of the incline, measured in meters.

\(v_{o}\) - Initial speed of the ball, measured in meters per second.

\(a\) - Aceleration of the ball, measured in meters per square second.

\(t\) - Time, measured in second.

If we know that \(v_{o} = 2.95\,\frac{m}{s}\), \(t = 1.54\,s\) and \(a = -0.876\,\frac{m}{s^{2}}\), then the length of the incline is:

\(\Delta s = \left(2.95\,\frac{m}{s} \right)\cdot (1.54\,s)+\frac{1}{2}\cdot \left(-0.876\,\frac{m}{s^{2}} \right) \cdot (1.54\,s)^{2}\)

\(\Delta s = 3.504\,m\)

The length of the incline is 3.504 meters.

Explanation:

"1 meter per second per second" means acceleration of an object. It is equal to the rate of change of velocity. Its SI unit is \(m/s^2\).

It is simply given by :

\(a=\dfrac{dv}{dt}\)

dv is change in velocity

dt is small interval of time

"1 meter per second per second" means that the velocity of an object can increase by 1 meter per second.

Explanation:

san po ung pagpipilian ?

Answer:

Media literacy creates a conscious awareness, the ability to understand, analyze, the messages various media like the newspapers, the radio, that is for the consumer, and it also promotes how best media create information for production.

While information literacy and technology literacy differs from other literacy asked in the question above, as information literacy and technology could be used when describing getting information through adequate research and further dishing out this available information so as to effectively use the information with the aim to solve problems, create awareness, or educate, through technologies such as for example, email.

Lastly, media and information literacy differ in terms of use from the other two explained above, as media and information literacy describes discerning information credibility, accuracy, and objectivity of sources they come from, and it shows people how important it is to have credible information to make informed judgments and the ethical use of the information they consume.

Answer:

is the first one right

Explanation:

Answer:

yes

Explanation:

The frequency observed by the observer on the left (fL) is higher than the frequency observed by the observer on the right (fR). Here option A is the correct answer.

The observed frequency, fL, of the sound heard by the observer on the left is higher than the observed frequency, fR, heard by the observer on the right. This phenomenon is known as the Doppler effect.

When a source of sound is moving towards an observer, the sound waves are compressed, resulting in a higher frequency. Conversely, when the source of sound is moving away from an observer, the sound waves are stretched, leading to a lower frequency.

In this case, as the police car is moving towards the observer on the left, the sound waves are compressed, causing an increase in frequency. Therefore, the observer on the left hears a higher frequency, fL. On the other hand, the observer on the right experiences the sound waves stretching due to the car moving away, resulting in a lower frequency, fR. Thus, the correct answer is A. fL > fR.

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